内容正文:
Unit (
一、词句汇总
) 4 Plant life 知识清单
1. 重点单词
(植物器官)
seed 种子 root 根 stem(植物的)茎,梗,柄 leaf 叶,叶子
(农作物)
sunflower 向日葵 wheat 小麦 cotton棉花,棉株
cabbage卷心菜,洋白菜,甘蓝
(其他名词)
life 一生,生活 earth 泥土,土壤 mouse 老鼠
grain 谷粒 paper 纸
(其他动词)
dig 挖,掘 sleep 睡,睡觉 miss 想念,思念,怀念(某人)
will将,会,要(用于构成将来时)
(其他)
thin 细的 everything 每件事物;所有事物
2. 重点短语/惯用语
in the earth在泥土里 grow up 长大
sunflower seeds 向日葵种子 water the wheat 给小麦浇水
pick cotton摘棉花 stay with 和……待在一起
rice plant 水稻 come true 实现
For what?为了什么?
3. 字母
e—/i/ he 他 she 她 we我们 me我 be是
4. 重点句式
(1) 询问某人正在做什么
-What are+主语(复数)+动词-ing 形式?
-We're/They’re+动词-ing 形式(+其他)
问句是由what引导的现在进行时的特殊疑问句,用来询问多个人正在做什么。
e.g: - What are you doing? - We’re digging.
(2) 确认某些事物的动态
-Are+某些事物+动词-ing 形式(+其他)?
- Yes, they are./ No, they aren’t.
问句是以be动词are开头的一般疑问句,用来确认某些事物的动态。
e.g: - Are the bananas getting yellow? - No, they aren’t.
(3)询问某种情况没有发生的原因:
Why do/does not +主语+动词原形(+其他)?
e.g: Why don't Sam's seeds grow?
(
二、语法复习
)
语法一:动词-ing形式的变化规则
变化规则
例词
一般情况下,直接在动词词尾加-ing
plant-planting; act-acting
以不发音的字母e结尾的动词,先去掉e,再加-ing
make-making; ride-riding
以重读闭音节结尾且末尾只有一个辅音字母的动词,双写末尾辅音字母,再加-ing
swim-swimming;run-running;dig-digging
语法二:How many, How much, How often的用法区别
1. how many 意为“多少”,后接可数名词复数,用来询问可数事物的数量。
2. how much ① 意为“多少”,后接不可数名词,用来询问不可数事物的量;
② 意为“多少钱”,用来询问价格。
3. how often 意为“多久”,用来询问频率。一般用once, twice, three times a day/week/month/year...等表示频率的词来回答。
e.g: How many sunflowers are there in the field? 田野里有多少向日葵?
How much sunlight does it need? 它需要多少阳光?
How much are these seeds? 这些种子多少钱?
How often do you water it? 你多久给它浇一次水?
语法三:情态动词will的用法
用于构成将来时,没有人称和数的变化,后接动词原形。
结构:主语 + will + 动词原形 (+ 其他);否定形式:will not = won't
e.g: I think his dream will come true!
Trust him! He won’t be late for school tomorrow.
(
三、单元练习
)
一、判断句中单词画线部分发音是(T)否(F)相同。(5分)
( )1. He wants corn, but she wants carrots.
( )2. Yummy food comes from plants. Everything is so good.
( )3. Wow! The stem is red.
( )4. Plants can help us grow. We need them.
( )5. These beans are green. I want to eat them for breakfast.
二、选择合适的内容补全句子。(10分)
1. These__________ (seeds/seed) can’ t grow!
2. Everything__________ (is/are) so good.
3. Your dad is__________(makes/making) a garden for your family.
4. Thank you for__________(helping/help) us grow!
5. We use tomatoes__________(cook/to cook) noodles.
三、Ms Smart带着同学们一起来到了菜园。根据情境,选择合适的选项补全对话。
(
A.Sam, are you digging the potatoes?
B.Our food comes from plants.
C.Can we eat the leaves?
D.What is the man doing?
E.l want some tomatoes.
)
Ms Smart: Children, look! The vegetables in the garden grow well.
Li Ming: 1. ________
Ms Smart: He is watering the vegetables. Look at the potatoes. What part can we eat?
Li Ming: 2. ________
Ms Smart: No, we can't. We can eat their stems.
Fangfang: 3.________
Sam: Yes, I am.
Ms Smart: Plants are useful. 4. _______ What do you want?
Fangfang: 5. ________
四、看西红柿的生长过程,判断句子的正(T)误(F)。
(1) On Day 7, the tomato is a seed and says "I am a seed." ( )
(2) When the tomato is 45 days old, it is tall and green. ( )
(3) Tomatoes need air, water and the sun to grow. ( )
(4) When the tomato is 70 days old, people will pick it up. ( )
(5) This passage is about plants around us. ( )
参考答案
一、1-5 TFTFF
二、seeds; is; making; helping; to cook
三、DCABE
四、FTTFF
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